Steel Angle Iron Bar Equal Ss400 Angle Steel

Our Equal SS400 Steel Angle Iron Bar is a premium structural steel product engineered for consistent performance, dimensional precision, and versatile industrial applicability, manufactured in strict compliance with Japanese Industrial Standards (JIS) for reliable quality assurance. As a specialized equal-angle structural component, this product is crafted exclusively from high-grade SS400 carbon structural steel via professional hot rolling techniques, combining balanced mechanical properties, exceptional processability, and cost-efficiency to serve as a foundational material for a wide spectrum of construction and engineering projects worldwide.

Core Material: SS400 Carbon Structural Steel (JIS Standard)

The defining feature of this angle iron bar is its premium SS400 steel base material, a widely acclaimed general-purpose carbon structural steel grade under JIS specifications, renowned for its well-rounded performance and universal adaptability in the global steel market. SS400 is classified as a low-to-moderate carbon steel, formulated with optimized chemical composition to deliver a harmonious balance of yield strength, tensile strength, and ductility, eliminating brittleness while ensuring sufficient load-bearing capacity for standard structural applications.

In terms of material performance, SS400 steel exhibits superior weldability, machinability, and formability, allowing seamless compatibility with common steel processing procedures including cutting, drilling, welding, bending, and surface treatment. Unlike high-strength alloy steels, SS400 maintains excellent toughness under normal operating temperatures, resisting cracking and deformation under moderate dynamic loads, making it suitable for both static structural support and semi-dynamic industrial components. Its moderate hardness and durable physical properties also ensure long service life in indoor, outdoor, and mildly corrosive environments, aligning with the daily operational demands of general engineering and manufacturing.

Product Design: Equal Angle Steel Structure

This product is designed as a equal angle steel bar, meaning the two vertical legs of the angular profile are of identical length and thickness, a structural design that offers distinct advantages for standardized engineering applications. The symmetrical equal-angle configuration ensures uniform load distribution across both legs, preventing uneven stress concentration and enhancing overall structural stability during installation and long-term use. This design also simplifies construction and assembly processes, as it requires no specialized orientation during fitting, reducing installation time and improving construction efficiency for large-scale projects.

The equal angle structure delivers consistent cross-sectional dimensions along the entire length of the bar, with strict tolerance control for leg length, thickness, and internal angle, complying fully with JIS standard specifications. This uniformity guarantees batch-to-batch consistency, enabling seamless integration into prefabricated steel structures, framing systems, and supporting frameworks without the need for on-site adjustments. The sharp, well-defined angular edges and smooth hot-rolled surface further enhance its compatibility with welding and bolting connections, ensuring secure and durable structural joints.

Manufacturing Process & Quality Assurance

Our SS400 equal angle iron bar is produced through advanced hot rolling technology, a mature and reliable manufacturing process that elevates the material's inherent properties and structural integrity. The production process involves heating high-purity SS400 steel billets to the optimal recrystallization temperature, followed by precision continuous rolling to form the standardized equal-angle profile. This thermal processing method refines the internal grain structure of the steel, eliminating internal defects such as inclusions, voids, and micro-cracks, while enhancing overall density and mechanical strength.

Rigorous quality control protocols are implemented throughout the entire production chain, from raw material inspection of SS400 steel billets to final dimensional and performance testing of finished angle bars. Each batch undergoes comprehensive testing for chemical composition, tensile strength, yield strength, and dimensional accuracy to verify full compliance with JIS SS400 standards. This strict quality management ensures that every angle iron bar meets industry benchmarks for structural reliability, surface finish, and dimensional consistency, making it a trusted choice for contractors, manufacturers, and engineering firms globally.

Typical Applications

Thanks to its reliable SS400 material properties, standardized equal-angle design, and strict JIS compliance, this steel angle iron bar is widely utilized across diverse industries. Key applications include general building construction frameworks, scaffolding systems, steel trusses, bracing supports, machinery bases and frames, vehicle body structures, storage racking systems, and general engineering fabrication. It serves as an essential structural component for both small-scale commercial projects and large-scale industrial constructions, offering stable, cost-effective, and long-lasting structural support for a vast array of engineering requirements.